Study on Mechanism and Control Technology of Asymmetric Floor Heave in a Deep Soft Rock Main Roadway by Fulian He, Wenli Zhai, Xuhui Xu, Jiayu Song, Liang Li, Kai Lv

“…The following conclusions were drawn: (1) the floor heave of 1# main roadway is mainly caused by high original rock stress, surrounding rock stress, water physical effect, support strength, etc. (2) A mechanical model of asymmetric floor heave is built and analyzed. …”
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Experimental Study on SHPB Dynamic Mechanical Response in Different Damage Zones of Rock under Blast Load by Wenda Tang, Yuanyuan You, Feng Hu, Yuanyuan Bian, Chenglong Xiao, Yijun Zhu

“…In this study, the damage characteristics of the slit charge pack along the rock slitting and the vertical slitting directions were investigated using green sandstone as the subject. …”
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Effect of Particle Shape on Mechanical Behaviors of Rocks: A Numerical Study Using Clumped Particle Model by Guan Rong, Guang Liu, Di Hou, Chuang-bing Zhou

“…Since rocks are aggregates of mineral particles, the effect of mineral microstructure on macroscopic mechanical behaviors of rocks is inneglectable. …”
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Quantitative Characterization of Overburden Rock Development Pattern in the Goaf at Different Key Stratum Locations Based on DEM by Xiaoqiang Zhang, Bolin Hu, Jiaxing Zou, Chuandong Liu, Yuanfan Ji

“…The overburden rock mining fissures are the main cause of coal spontaneous combustion, gas pooling, and mine water inrush caused by goaf air leakage. …”
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Dynamic Fracture Toughness and Dynamic Tensile Strength of the Rock from Different Depths of Beijing Datai Well by Ke Man, Xiaoli Liu

“…With an increasing depth, the dynamic tensile strength has much more influence on the dynamic fracture toughness, as which it is much liable to bring out the unexpected catastrophes in the engineering projects, especially during the excavation at deep mining. From the rock failure mechanisms, it is pointed out that the essential reason of the rock failure is the microcrack unstable propagation. …”
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Failure Mechanism of Anchored Rock under Constant Resistance Values of Cable Based on Particle Flow Code by Xiaoming Sun, Li Cui, Yong Zhang, Zuoxun Jiang, Lei Wang

“…The research results provide a reference for the design of a CRV and collapse prediction of the anchored surrounding rock.…”
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Monitoring and Analysis of Stress Distribution of the Interaction between Rock and Backfill and the Influence of Geometric Features of the Backfill Boundary by Rong Lu, Fengshan Ma, Jie Zhao, Jianbo Wang, Guilin Li, Bing Dai

“…The distribution of stress on the boundary part of the backfill and surrounding rock had their own features. To study the characteristics of stress distribution of backfill and surrounding rock on the boundary part, we conducted a field investigation, field monitoring, and numerical simulation. …”
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Study on Microseismic Monitoring, Early Warning, and Comprehensive Prevention of a Rock Burst under Complex Conditions by Ke Ding, Lianguo Wang, Mei Yu, Wenmiao Wang, Bo Ren

“…Rock bursts in coal mines are usually unpredictable. …”
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Application of Digital Image Correlation Technique for the Damage Characteristic of Rock-like Specimens under Uniaxial Compression by Jing Chai, Yongliang Liu, YiBo OuYang, Dingding Zhang, Wengang Du

“…The damage and degradation are the main influence factors of the instability of rock mass engineering. In this paper, the damage and deformation characteristics of the rock-like samples are investigated under the uniaxial compression test, and the advanced digital image correlation (DIC) device is devoted to full-field deformation data acquisition on the sample surface. …”
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Pore-Scale Modelling of Three-Phase Capillary Pressure Curves Directly in Uniformly Wet Rock Images by Yingfang Zhou, Dimitrios Georgios Hatzignatiou, Johan Olav Helland, Yulong Zhao, Jianchao Cai

“…In this work, we developed a semianalytical model to compute three-phase capillary pressure curves and associated fluid configurations for gas invasion in uniformly wet rock images. The fluid configurations and favorable capillary entry pressures are determined based on free energy minimization by combining all physically allowed three-phase arc menisci. …”
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A Support Vector Machine Model with Hyperparameters Optimised by Mind Evolutionary Algorithm for Assessing Permeability of Rock by Wenjin Zhu, Zhiming Chao, Guotao Ma

“…In this paper, a database developed from the existing literature about permeability of rock was established. Based on the constructed database, a Support Vector Machine (SVM) model with hyperparameters optimised by Mind Evolutionary Algorithm (MEA) was proposed to predict the permeability of rock. …”
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Crack propagation and CT imaging of internal cracks in rocks damaged by pre-compression under explosive loading by Qiangqiang Zheng, Pingfeng Li, Ying Xu, Bing Cheng, Hao Hu, Hao Shi, Shoudong Xie

“…This study investigates the dynamic crack propagation mechanism in damaged rocks under blasting excavation in complex geological conditions. …”
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Rock fracture mode and acoustic emission characteristics under true triaxial single-sided unloading path by Longpei Ma, Longpei Ma, Chongyan Liu, Guangming Zhao, Guangming Zhao

“…In underground engineering, the excavation and unloading processes of rocks are extremely complex. In-depth understanding of the fracture patterns of rocks and the characteristics of acoustic emission (AE) during this process is crucial for ensuring the safe and stable operation of underground engineering. …”
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Study on the Influence of Seepage Conditions with Different Rainfall Intensities on the Structural Evolution of Soil-Rock Mixture Filler by Yueyue Wang, Xuesong Mao, Qian Wu, Zeyu Dai

“…The rainfall conditions cause seepage in the soil-rock mixture (SRM) filler subgrade, leading to the loss of fine particles and the change of soil structure, which eventually leads to large uneven deformation or instability of the subgrade. …”
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Stability Evaluation of Sliding-Type Perilous Rock in Huangzangsi Hydrojunction Project Based on Natural Vibration Frequency by Yanchang Jia, Luqi Wang, Tong Jiang, Yanli Yin, Weinan Liu, Hongke Song, Xiaogen Li, Sujiao Shi

“…The instability of perilous rock is mostly manifested as sudden collapse and failure without obvious displacement characteristics. …”
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Research on Deformation Mechanisms of a High Geostress Soft Rock Roadway and Double-Shell Grouting Technology by Fengnian Wang, Shizhuang Chen, Pan Gao, Zhibiao Guo, Zhigang Tao

“…In this study, the deformation characteristics and mechanical properties of coal and rock mass in the S2N5 working face of the Xiaokang coal mine are analyzed to address the problem of large deformation of soft rocks with high in situ stress surrounding roadways. …”
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Strengthening effect of particle gradation on the mechanical properties of sand powder 3D printed rock analog by Zhe Zhang, Lishuai Jiang, Atsushi Sainoki, Xiaohan Peng, Chunang Li, Qingjia Niu, Xinzhe Wang, Mingwei Gang

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Critical Conditions and Energy Transfer Characteristics of the Failure Process of Coal-Rock Combination Systems in Deep Mines by Haitao Sun, Linchao Dai, Yanbao Liu, Hongwei Jin

“…Therefore, we analyzed the development path of a coal-rock system under instability conditions from the perspective of coal–rock coupling, constructed a model of the coal-rock combination system’s structure, and proposed three directions (i.e., strain softening, limit equilibrium, and dynamic instability) for the development of coal-rock system instability. …”
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Numerical Study on Zonal Disintegration of Deep Rock Mass Using Three-Dimensional Bonded Block Model by Qingteng Tang, Wenbing Xie, Xingkai Wang, Zhili Su, Jinhai Xu

“…Zonal disintegration, a phenomenon of fractured zones and intact zones distributed alternately in deep rock mass, is different from the excavation-damaged zone of shallow rock mass. …”
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Numerical Simulation of Rock Uniaxial Compressive Strength and Deformation Failure Law under Different Size Conditions by Zhichao Tian, Chunan Tang, Hao Li, Hui Xing, Xiangda Ning

“…Rock engineering occupies an important position in the 21st century. …”
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